Live coverage: Arianespace launches 10th Vega rocket

Live coverage of the countdown and launch of a Vega rocket with the Optsat 3000 and Venµs Earth observation satellites. Text updates will appear automatically below; there is no need to reload the page. Follow us on Twitter. Watch on a mobile device.

Arianespace’s live video stream begins at approximately 0145 GMT (9:45 p.m. EDT).